static int create_session(struct l2tp_parm *p)
{
GENL_REQUEST(req, 1024, genl_family, 0, L2TP_GENL_VERSION,
L2TP_CMD_SESSION_CREATE, NLM_F_REQUEST | NLM_F_ACK);
addattr32(&req.n, 1024, L2TP_ATTR_CONN_ID, p->tunnel_id);
addattr32(&req.n, 1024, L2TP_ATTR_PEER_CONN_ID, p->peer_tunnel_id);
addattr32(&req.n, 1024, L2TP_ATTR_SESSION_ID, p->session_id);
addattr32(&req.n, 1024, L2TP_ATTR_PEER_SESSION_ID, p->peer_session_id);
addattr16(&req.n, 1024, L2TP_ATTR_PW_TYPE, p->pw_type);
addattr8(&req.n, 1024, L2TP_ATTR_L2SPEC_TYPE, p->l2spec_type);
addattr8(&req.n, 1024, L2TP_ATTR_L2SPEC_LEN, p->l2spec_len);
if (p->mtu) addattr16(&req.n, 1024, L2TP_ATTR_MTU, p->mtu);
if (p->recv_seq) addattr(&req.n, 1024, L2TP_ATTR_RECV_SEQ);
if (p->send_seq) addattr(&req.n, 1024, L2TP_ATTR_SEND_SEQ);
if (p->lns_mode) addattr(&req.n, 1024, L2TP_ATTR_LNS_MODE);
if (p->data_seq) addattr8(&req.n, 1024, L2TP_ATTR_DATA_SEQ, p->data_seq);
if (p->reorder_timeout) addattr64(&req.n, 1024, L2TP_ATTR_RECV_TIMEOUT,
p->reorder_timeout);
if (p->offset) addattr16(&req.n, 1024, L2TP_ATTR_OFFSET, p->offset);
if (p->cookie_len) addattr_l(&req.n, 1024, L2TP_ATTR_COOKIE,
p->cookie, p->cookie_len);
if (p->peer_cookie_len) addattr_l(&req.n, 1024, L2TP_ATTR_PEER_COOKIE,
p->peer_cookie, p->peer_cookie_len);
if (p->ifname && p->ifname[0])
addattrstrz(&req.n, 1024, L2TP_ATTR_IFNAME, p->ifname);
if (rtnl_talk(&genl_rth, &req.n, 0, 0, NULL) < 0)
return -2;
return 0;
}
int
dbpci(Vga *vga, Ndbtuple *tuple)
{
int did, vid;
Ndbtuple *t, *td;
Pcidev *pci;
for(t = tuple->entry; t; t = t->entry){
if(strcmp(t->attr, "vid") != 0 || (vid=atoi(t->val)) == 0)
continue;
for(td = t->line; td != t; td = td->line){
if(strcmp(td->attr, "did") != 0)
continue;
if(strcmp(td->val, "*") == 0)
did = 0;
else if((did=atoi(td->val)) == 0)
continue;
for(pci=nil; pci=pcimatch(pci, vid, did);)
if(pci->ccrb == 3)
break;
if(pci == nil)
continue;
vga->pci = pci;
addattr(&vga->attr, t);
addattr(&vga->attr, td);
return 1;
}
}
return 0;
}
static inline void
ct_build_u32(const struct nf_conntrack *ct, int a, struct nethdr *n, int b)
{
uint32_t data = nfct_get_attr_u32(ct, a);
data = htonl(data);
addattr(n, b, &data, sizeof(uint32_t));
}
static void
save(Vga *vga, Ndbtuple *tuple)
{
Ctlr *c;
Ndbtuple *t;
for(t = tuple->entry; t; t = t->entry){
if(strcmp(t->attr, "ctlr") == 0){
vga->ctlr = addctlr(vga, t->val);
if(strcmp(t->val, "vesa") == 0)
vga->vesa = vga->ctlr;
}else if(strcmp(t->attr, "ramdac") == 0)
vga->ramdac = addctlr(vga, t->val);
else if(strcmp(t->attr, "clock") == 0)
vga->clock = addctlr(vga, t->val);
else if(strcmp(t->attr, "hwgc") == 0)
vga->hwgc = addctlr(vga, t->val);
else if(strcmp(t->attr, "link") == 0){
c = addctlr(vga, t->val);
if(strcmp(t->val, "vesa") == 0)
vga->vesa = c;
}else if(strcmp(t->attr, "linear") == 0)
vga->linear = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "membw") == 0)
vga->membw = strtol(t->val, 0, 0)*1000000;
else if(strcmp(t->attr, "vid")==0 || strcmp(t->attr, "did")==0)
{}
else if(strtol(t->attr, 0, 0) == 0)
addattr(&vga->attr, t);
}
}
/* Function to add, remove and update entries in the kernel routing
* table */
int nl_kern_route(int action, int flags, int family,
int index, struct in_addr *dst, struct in_addr *gw,
struct in_addr *nm, int metric)
{
struct {
struct nlmsghdr nlh;
struct rtmsg rtm;
char attrbuf[1024];
} req;
if (!dst || !gw)
return -1;
req.nlh.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.nlh.nlmsg_type = action;
req.nlh.nlmsg_flags = NLM_F_REQUEST | flags;
req.nlh.nlmsg_pid = 0;
req.rtm.rtm_family = family;
if (!nm)
req.rtm.rtm_dst_len = sizeof(struct in_addr) * 8;
else
req.rtm.rtm_dst_len = prefix_length(AF_INET, nm);
req.rtm.rtm_src_len = 0;
req.rtm.rtm_tos = 0;
req.rtm.rtm_table = RT_TABLE_MAIN;
req.rtm.rtm_protocol = 100;
req.rtm.rtm_scope = RT_SCOPE_LINK;
req.rtm.rtm_type = RTN_UNICAST;
req.rtm.rtm_flags = 0;
addattr(&req.nlh, RTA_DST, dst, sizeof(struct in_addr));
if (memcmp(dst, gw, sizeof(struct in_addr)) != 0) {
req.rtm.rtm_scope = RT_SCOPE_UNIVERSE;
addattr(&req.nlh, RTA_GATEWAY, gw, sizeof(struct in_addr));
}
if (index > 0)
addattr(&req.nlh, RTA_OIF, &index, sizeof(index));
addattr(&req.nlh, RTA_PRIORITY, &metric, sizeof(metric));
return nl_send(&rtsock, &req.nlh);
}
void
replumb(Client *c)
{
int i;
Plumbmsg *m;
char name[128], *ctype, *ext, *p;
if(!c->plumbed)
return;
m = emalloc(sizeof(Plumbmsg));
m->src = "webfs";
m->dst = nil;
m->wdir = "/";
m->type = "text";
m->attr = nil;
addattr(m, "url", c->url->url);
ctype = c->contenttype;
ext = nil;
if(ctype != nil) {
addattr(m, "content-type", ctype);
for(i = 0; i < nelem(ctypes); i++) {
if(strcmp(ctype, ctypes[i].ctype) == 0) {
ext = ctypes[i].ext;
break;
}
}
}
if(ext == nil) {
p = strrchr(c->url->url, '/');
if(p != nil)
p = strrchr(p+1, '.');
if(p != nil && strlen(p) <= 5)
ext = p+1;
else
ext = "txt"; /* punt */
}
c->ext = ext;
if(0)fprint(2, "content type %s -> extension .%s\n", ctype, ext);
m->ndata = snprint(name, sizeof name, "/mnt/web/%d/body.%s", c->num, ext);
m->data = estrdup(name);
proccreate(plumbsendproc, m, STACK); /* separate proc to avoid a deadlock */
}
Attr*
addcap(Attr *a, char *sysuser, Ticket *t)
{
Attr *newa;
char *c;
// c = mkcap(t->cuid, t->suid);
c = mkcap(sysuser, t->suid);
newa = addattr(a, "cuid=%q suid=%q cap=%s", t->cuid, t->suid, c);
free(c);
return newa;
}
static int create_tunnel(struct l2tp_parm *p)
{
uint32_t local_attr = L2TP_ATTR_IP_SADDR;
uint32_t peer_attr = L2TP_ATTR_IP_DADDR;
GENL_REQUEST(req, 1024, genl_family, 0, L2TP_GENL_VERSION,
L2TP_CMD_TUNNEL_CREATE, NLM_F_REQUEST | NLM_F_ACK);
addattr32(&req.n, 1024, L2TP_ATTR_CONN_ID, p->tunnel_id);
addattr32(&req.n, 1024, L2TP_ATTR_PEER_CONN_ID, p->peer_tunnel_id);
addattr8(&req.n, 1024, L2TP_ATTR_PROTO_VERSION, 3);
addattr16(&req.n, 1024, L2TP_ATTR_ENCAP_TYPE, p->encap);
if (p->local_ip.family == AF_INET6)
local_attr = L2TP_ATTR_IP6_SADDR;
addattr_l(&req.n, 1024, local_attr, &p->local_ip.data,
p->local_ip.bytelen);
if (p->peer_ip.family == AF_INET6)
peer_attr = L2TP_ATTR_IP6_DADDR;
addattr_l(&req.n, 1024, peer_attr, &p->peer_ip.data,
p->peer_ip.bytelen);
if (p->encap == L2TP_ENCAPTYPE_UDP) {
addattr16(&req.n, 1024, L2TP_ATTR_UDP_SPORT, p->local_udp_port);
addattr16(&req.n, 1024, L2TP_ATTR_UDP_DPORT, p->peer_udp_port);
if (p->udp_csum)
addattr8(&req.n, 1024, L2TP_ATTR_UDP_CSUM, 1);
if (!p->udp6_csum_tx)
addattr(&req.n, 1024, L2TP_ATTR_UDP_ZERO_CSUM6_TX);
if (!p->udp6_csum_rx)
addattr(&req.n, 1024, L2TP_ATTR_UDP_ZERO_CSUM6_RX);
}
if (rtnl_talk(&genl_rth, &req.n, NULL, 0) < 0)
return -2;
return 0;
}
int
dbbios(Vga *vga, Ndbtuple *tuple)
{
char *bios, *p, *string;
int len;
long offset, offset1;
Ndbtuple *t;
for(t = tuple->entry; t; t = t->entry){
if((offset = strtol(t->attr, 0, 0)) == 0)
continue;
string = t->val;
len = strlen(string);
if(p = strchr(t->attr, '-')) {
if((offset1 = strtol(p+1, 0, 0)) < offset+len)
continue;
} else
offset1 = offset+len;
if(vga->offset) {
if(offset > vga->offset || vga->offset+len > offset1)
continue;
offset = vga->offset;
offset1 = offset+len;
}
for(; offset+len<=offset1; offset++) {
if(vga->bios)
bios = vga->bios;
else
bios = readbios(len, offset);
if(strncmp(bios, string, len) == 0){
if(vga->bios == 0){
vga->bios = alloc(len+1);
strncpy(vga->bios, bios, len);
}
addattr(&vga->attr, t);
return 1;
}
}
}
return 0;
}
static inline void
ct_build_natseqadj(const struct nf_conntrack *ct, struct nethdr *n)
{
struct nta_attr_natseqadj data = {
.orig_seq_correction_pos =
htonl(nfct_get_attr_u32(ct, ATTR_ORIG_NAT_SEQ_CORRECTION_POS)),
.orig_seq_offset_before =
htonl(nfct_get_attr_u32(ct, ATTR_ORIG_NAT_SEQ_OFFSET_BEFORE)),
.orig_seq_offset_after =
htonl(nfct_get_attr_u32(ct, ATTR_ORIG_NAT_SEQ_OFFSET_AFTER)),
.repl_seq_correction_pos =
htonl(nfct_get_attr_u32(ct, ATTR_REPL_NAT_SEQ_CORRECTION_POS)),
.repl_seq_offset_before =
htonl(nfct_get_attr_u32(ct, ATTR_REPL_NAT_SEQ_OFFSET_BEFORE)),
.repl_seq_offset_after =
htonl(nfct_get_attr_u32(ct, ATTR_REPL_NAT_SEQ_OFFSET_AFTER))
};
addattr(n, NTA_NAT_SEQ_ADJ, &data, sizeof(struct nta_attr_natseqadj));
}
static inline void
ct_build_str(const struct nf_conntrack *ct, int a, struct nethdr *n, int b)
{
const char *data = nfct_get_attr(ct, a);
addattr(n, b, data, strlen(data)+1);
}
int main(int argc, char **argv)
{
int c;
char *progname;
ingraph_state ig;
Agraph_t *graph;
Agnode_t *node;
Agedge_t *edge;
Agedge_t *nexte;
Agsym_t *attr;
char **files;
generic_list_t *attr_list;
generic_list_t *node_list;
unsigned long i, j;
opterr = 0;
progname = strrchr(argv[0], '/');
if (progname == NULL) {
progname = argv[0];
} else {
progname++; /* character after last '/' */
}
attr_list = new_generic_list(16);
node_list = new_generic_list(16);
while ((c = getopt(argc, argv, "hvn:N:")) != -1) {
switch (c) {
case 'N':
{
attr_list = addattr(attr_list, optarg);
break;
}
case 'n':
{
node_list = addnode(node_list, optarg);
break;
}
case 'h':
{
help_message(progname);
exit(EXIT_SUCCESS);
break;
}
case 'v':
{
verbose = 1;
break;
}
case '?':
if (isprint(optopt)) {
fprintf(stderr, "Unknown option `-%c'.\n", optopt);
} else {
fprintf(stderr, "Unknown option character `\\x%X'.\n",
optopt);
}
exit(EXIT_FAILURE);
break;
default:
help_message(progname);
exit(EXIT_FAILURE);
break;
}
}
/* Any arguments left? */
if (optind < argc) {
files = &argv[optind];
} else {
files = NULL;
}
newIngraph(&ig, files, gread);
while ((graph = nextGraph(&ig)) != NULL) {
if (agisdirected(graph) == 0) {
fprintf(stderr,
"*** Error: Graph is undirected! Pruning works only with directed graphs!\n");
exit(EXIT_FAILURE);
}
/* attach node data for marking to all nodes */
aginit(graph, AGNODE, NDNAME, sizeof(ndata), 1);
/* prune all nodes specified on the commandline */
for (i = 0; i < node_list->used; i++) {
if (verbose == 1)
fprintf(stderr, "Pruning node %s\n",
(char *) node_list->data[i]);
/* check whether a node of that name exists at all */
node = agnode(graph, (char *) node_list->data[i], 0);
if (node == NULL) {
fprintf(stderr,
"*** Warning: No such node: %s -- gracefully skipping this one\n",
(char *) node_list->data[i]);
} else {
MARK(node); /* Avoid cycles */
/* Iterate over all outgoing edges */
for (edge = agfstout(node); edge; edge = nexte) {
nexte = agnxtout(edge);
if (aghead(edge) != node) { /* non-loop edges */
if (verbose == 1)
fprintf(stderr, "Processing descendant: %s\n",
agnameof(aghead(edge)));
remove_child(graph, aghead(edge));
agdelete(graph, edge);
}
}
UNMARK(node); /* Unmark so that it can be removed in later passes */
/* Change attribute (e.g. border style) to show that node has been pruneed */
for (j = 0; j < attr_list->used; j++) {
/* create attribute if it doesn't exist and set it */
attr =
agattr(graph, AGNODE,
((strattr_t *) attr_list->data[j])->n, "");
if (attr == NULL) {
fprintf(stderr, "Couldn't create attribute: %s\n",
((strattr_t *) attr_list->data[j])->n);
exit(EXIT_FAILURE);
}
agxset(node, attr,
((strattr_t *) attr_list->data[j])->v);
}
}
}
agwrite(graph, stdout);
agclose(graph);
}
free(attr_list);
free(node_list);
exit(EXIT_SUCCESS);
}
static int
dbmonitor(Ndb* db, Mode* mode, char* type, char* size)
{
Ndbs s;
Ndbtuple *t, *tuple;
char *p, attr[Namelen+1], val[Namelen+1], buf[2*Namelen+1];
int clock, x, i;
/*
* Clock rate hack.
* If the size is 'XxYxZ@NMHz' then override the database entry's
* 'clock=' with 'N*1000000'.
*/
clock = 0;
strcpy(buf, size);
if(p = strchr(buf, '@')){
*p++ = 0;
if((clock = strtol(p, &p, 0)) && strcmp(p, "MHz") == 0)
clock *= 1000000;
}
memset(mode, 0, sizeof(Mode));
if((p = strchr(buf, 'x')) && (p = strchr(p+1, 'x'))){
*p++ = 0;
mode->z = atoi(p);
}
strcpy(attr, type);
strcpy(val, buf);
if(p = ndbgetvalue(db, &s, attr, "", "videobw", nil)){
mode->videobw = atol(p)*1000000UL;
free(p);
}
if(mode->x == 0 && ((mode->x = strtol(val, &p, 0)) == 0 || *p++ != 'x'))
return 0;
if(mode->y == 0 && (mode->y = strtol(p, &p, 0)) == 0)
return 0;
i = 0;
buggery:
if((tuple = ndbsearch(db, &s, attr, val)) == 0)
return 0;
for(t = tuple->entry; t; t = t->entry){
if(strcmp(t->attr, "clock") == 0 && mode->frequency == 0)
mode->frequency = strtod(t->val, 0)*1000000;
else if(strcmp(t->attr, "defaultclock") == 0 && mode->deffrequency == 0)
mode->deffrequency = strtod(t->val, 0)*1000000;
else if(strcmp(t->attr, "ht") == 0 && mode->ht == 0)
mode->ht = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "shb") == 0 && mode->shb == 0)
mode->shb = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "ehb") == 0 && mode->ehb == 0)
mode->ehb = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "shs") == 0 && mode->shs == 0)
mode->shs = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "ehs") == 0 && mode->ehs == 0)
mode->ehs = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "vt") == 0 && mode->vt == 0)
mode->vt = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "vrs") == 0 && mode->vrs == 0)
mode->vrs = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "vre") == 0 && mode->vre == 0)
mode->vre = strtol(t->val, 0, 0);
else if(strcmp(t->attr, "hsync") == 0)
mode->hsync = *t->val;
else if(strcmp(t->attr, "vsync") == 0)
mode->vsync = *t->val;
else if(strcmp(t->attr, "interlace") == 0)
mode->interlace = *t->val;
else if(strcmp(t->attr, "include") == 0 /*&& strcmp(t->val, val) != 0*/){
strcpy(attr, t->attr);
strcpy(val, t->val);
ndbfree(tuple);
if(i++ > 5)
error("dbmonitor: implausible include depth at %s=%s\n", attr, val);
goto buggery;
}
else if(strcmp(t->attr, "include") == 0){
print("warning: bailed out of infinite loop in attr %s=%s\n", attr, val);
}
else
addattr(&mode->attr, t);
}
ndbfree(tuple);
if((x = strtol(size, &p, 0)) == 0 || x != mode->x || *p++ != 'x')
return 0;
if((x = strtol(p, &p, 0)) == 0 || x != mode->y || *p++ != 'x')
return 0;
if((x = strtol(p, &p, 0)) == 0 || x != mode->z)
return 0;
if(clock)
mode->frequency = clock;
return 1;
}
static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
__u32 val;
while (argc > 0) {
if (matches(*argv, "forward_delay") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid forward_delay", *argv);
addattr32(n, 1024, IFLA_BR_FORWARD_DELAY, val);
} else if (matches(*argv, "hello_time") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid hello_time", *argv);
addattr32(n, 1024, IFLA_BR_HELLO_TIME, val);
} else if (matches(*argv, "max_age") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid max_age", *argv);
addattr32(n, 1024, IFLA_BR_MAX_AGE, val);
} else if (matches(*argv, "ageing_time") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid ageing_time", *argv);
addattr32(n, 1024, IFLA_BR_AGEING_TIME, val);
} else if (matches(*argv, "stp_state") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid stp_state", *argv);
addattr32(n, 1024, IFLA_BR_STP_STATE, val);
} else if (matches(*argv, "priority") == 0) {
__u16 prio;
NEXT_ARG();
if (get_u16(&prio, *argv, 0))
invarg("invalid priority", *argv);
addattr16(n, 1024, IFLA_BR_PRIORITY, prio);
} else if (matches(*argv, "vlan_filtering") == 0) {
__u8 vlan_filter;
NEXT_ARG();
if (get_u8(&vlan_filter, *argv, 0))
invarg("invalid vlan_filtering", *argv);
addattr8(n, 1024, IFLA_BR_VLAN_FILTERING, vlan_filter);
} else if (matches(*argv, "vlan_protocol") == 0) {
__u16 vlan_proto;
NEXT_ARG();
if (ll_proto_a2n(&vlan_proto, *argv))
invarg("invalid vlan_protocol", *argv);
addattr16(n, 1024, IFLA_BR_VLAN_PROTOCOL, vlan_proto);
} else if (matches(*argv, "group_fwd_mask") == 0) {
__u16 fwd_mask;
NEXT_ARG();
if (get_u16(&fwd_mask, *argv, 0))
invarg("invalid group_fwd_mask", *argv);
addattr16(n, 1024, IFLA_BR_GROUP_FWD_MASK, fwd_mask);
} else if (matches(*argv, "group_address") == 0) {
char llabuf[32];
int len;
NEXT_ARG();
len = ll_addr_a2n(llabuf, sizeof(llabuf), *argv);
if (len < 0)
return -1;
addattr_l(n, 1024, IFLA_BR_GROUP_ADDR, llabuf, len);
} else if (matches(*argv, "fdb_flush") == 0) {
addattr(n, 1024, IFLA_BR_FDB_FLUSH);
} else if (matches(*argv, "vlan_default_pvid") == 0) {
__u16 default_pvid;
NEXT_ARG();
if (get_u16(&default_pvid, *argv, 0))
invarg("invalid vlan_default_pvid", *argv);
addattr16(n, 1024, IFLA_BR_VLAN_DEFAULT_PVID,
default_pvid);
} else if (matches(*argv, "vlan_stats_enabled") == 0) {
__u8 vlan_stats_enabled;
NEXT_ARG();
if (get_u8(&vlan_stats_enabled, *argv, 0))
invarg("invalid vlan_stats_enabled", *argv);
addattr8(n, 1024, IFLA_BR_VLAN_STATS_ENABLED,
vlan_stats_enabled);
} else if (matches(*argv, "mcast_router") == 0) {
__u8 mcast_router;
NEXT_ARG();
if (get_u8(&mcast_router, *argv, 0))
invarg("invalid mcast_router", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_ROUTER, mcast_router);
} else if (matches(*argv, "mcast_snooping") == 0) {
__u8 mcast_snoop;
NEXT_ARG();
if (get_u8(&mcast_snoop, *argv, 0))
invarg("invalid mcast_snooping", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_SNOOPING, mcast_snoop);
} else if (matches(*argv, "mcast_query_use_ifaddr") == 0) {
__u8 mcast_qui;
NEXT_ARG();
if (get_u8(&mcast_qui, *argv, 0))
invarg("invalid mcast_query_use_ifaddr",
*argv);
addattr8(n, 1024, IFLA_BR_MCAST_QUERY_USE_IFADDR,
mcast_qui);
} else if (matches(*argv, "mcast_querier") == 0) {
__u8 mcast_querier;
NEXT_ARG();
if (get_u8(&mcast_querier, *argv, 0))
invarg("invalid mcast_querier", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_QUERIER, mcast_querier);
} else if (matches(*argv, "mcast_hash_elasticity") == 0) {
__u32 mcast_hash_el;
NEXT_ARG();
if (get_u32(&mcast_hash_el, *argv, 0))
invarg("invalid mcast_hash_elasticity",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_HASH_ELASTICITY,
mcast_hash_el);
} else if (matches(*argv, "mcast_hash_max") == 0) {
__u32 mcast_hash_max;
NEXT_ARG();
if (get_u32(&mcast_hash_max, *argv, 0))
invarg("invalid mcast_hash_max", *argv);
addattr32(n, 1024, IFLA_BR_MCAST_HASH_MAX,
mcast_hash_max);
} else if (matches(*argv, "mcast_last_member_count") == 0) {
__u32 mcast_lmc;
NEXT_ARG();
if (get_u32(&mcast_lmc, *argv, 0))
invarg("invalid mcast_last_member_count",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_CNT,
mcast_lmc);
} else if (matches(*argv, "mcast_startup_query_count") == 0) {
__u32 mcast_sqc;
NEXT_ARG();
if (get_u32(&mcast_sqc, *argv, 0))
invarg("invalid mcast_startup_query_count",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_CNT,
mcast_sqc);
} else if (matches(*argv, "mcast_last_member_interval") == 0) {
__u64 mcast_last_member_intvl;
NEXT_ARG();
if (get_u64(&mcast_last_member_intvl, *argv, 0))
invarg("invalid mcast_last_member_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_INTVL,
mcast_last_member_intvl);
} else if (matches(*argv, "mcast_membership_interval") == 0) {
__u64 mcast_membership_intvl;
NEXT_ARG();
if (get_u64(&mcast_membership_intvl, *argv, 0))
invarg("invalid mcast_membership_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_MEMBERSHIP_INTVL,
mcast_membership_intvl);
} else if (matches(*argv, "mcast_querier_interval") == 0) {
__u64 mcast_querier_intvl;
NEXT_ARG();
if (get_u64(&mcast_querier_intvl, *argv, 0))
invarg("invalid mcast_querier_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_QUERIER_INTVL,
mcast_querier_intvl);
} else if (matches(*argv, "mcast_query_interval") == 0) {
__u64 mcast_query_intvl;
NEXT_ARG();
if (get_u64(&mcast_query_intvl, *argv, 0))
invarg("invalid mcast_query_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_QUERY_INTVL,
mcast_query_intvl);
} else if (!matches(*argv, "mcast_query_response_interval")) {
__u64 mcast_query_resp_intvl;
NEXT_ARG();
if (get_u64(&mcast_query_resp_intvl, *argv, 0))
invarg("invalid mcast_query_response_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
mcast_query_resp_intvl);
} else if (!matches(*argv, "mcast_startup_query_interval")) {
__u64 mcast_startup_query_intvl;
NEXT_ARG();
if (get_u64(&mcast_startup_query_intvl, *argv, 0))
invarg("invalid mcast_startup_query_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
mcast_startup_query_intvl);
} else if (matches(*argv, "mcast_stats_enabled") == 0) {
__u8 mcast_stats_enabled;
NEXT_ARG();
if (get_u8(&mcast_stats_enabled, *argv, 0))
invarg("invalid mcast_stats_enabled", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_STATS_ENABLED,
mcast_stats_enabled);
} else if (matches(*argv, "mcast_igmp_version") == 0) {
__u8 igmp_version;
NEXT_ARG();
if (get_u8(&igmp_version, *argv, 0))
invarg("invalid mcast_igmp_version", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_IGMP_VERSION,
igmp_version);
} else if (matches(*argv, "mcast_mld_version") == 0) {
__u8 mld_version;
NEXT_ARG();
if (get_u8(&mld_version, *argv, 0))
invarg("invalid mcast_mld_version", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_MLD_VERSION,
mld_version);
} else if (matches(*argv, "nf_call_iptables") == 0) {
__u8 nf_call_ipt;
NEXT_ARG();
if (get_u8(&nf_call_ipt, *argv, 0))
invarg("invalid nf_call_iptables", *argv);
addattr8(n, 1024, IFLA_BR_NF_CALL_IPTABLES,
nf_call_ipt);
} else if (matches(*argv, "nf_call_ip6tables") == 0) {
__u8 nf_call_ip6t;
NEXT_ARG();
if (get_u8(&nf_call_ip6t, *argv, 0))
invarg("invalid nf_call_ip6tables", *argv);
addattr8(n, 1024, IFLA_BR_NF_CALL_IP6TABLES,
nf_call_ip6t);
} else if (matches(*argv, "nf_call_arptables") == 0) {
__u8 nf_call_arpt;
NEXT_ARG();
if (get_u8(&nf_call_arpt, *argv, 0))
invarg("invalid nf_call_arptables", *argv);
addattr8(n, 1024, IFLA_BR_NF_CALL_ARPTABLES,
nf_call_arpt);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
} else {
fprintf(stderr, "bridge: unknown command \"%s\"?\n", *argv);
explain();
return -1;
}
argc--, argv++;
}
return 0;
}
static int geneve_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
__u32 vni = 0;
int vni_set = 0;
__u32 daddr = 0;
struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
__u32 label = 0;
__u8 ttl = 0;
__u8 tos = 0;
__u16 dstport = 0;
bool metadata = 0;
__u8 udpcsum = 0;
bool udpcsum_set = false;
__u8 udp6zerocsumtx = 0;
bool udp6zerocsumtx_set = false;
__u8 udp6zerocsumrx = 0;
bool udp6zerocsumrx_set = false;
while (argc > 0) {
if (!matches(*argv, "id") ||
!matches(*argv, "vni")) {
NEXT_ARG();
if (get_u32(&vni, *argv, 0) ||
vni >= 1u << 24)
invarg("invalid id", *argv);
vni_set = 1;
} else if (!matches(*argv, "remote")) {
NEXT_ARG();
if (!inet_get_addr(*argv, &daddr, &daddr6)) {
fprintf(stderr, "Invalid address \"%s\"\n", *argv);
return -1;
}
if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr)))
invarg("invalid remote address", *argv);
} else if (!matches(*argv, "ttl") ||
!matches(*argv, "hoplimit")) {
unsigned int uval;
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (get_unsigned(&uval, *argv, 0))
invarg("invalid TTL", *argv);
if (uval > 255)
invarg("TTL must be <= 255", *argv);
ttl = uval;
}
} else if (!matches(*argv, "tos") ||
!matches(*argv, "dsfield")) {
__u32 uval;
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (rtnl_dsfield_a2n(&uval, *argv))
invarg("bad TOS value", *argv);
tos = uval;
} else
tos = 1;
} else if (!matches(*argv, "label") ||
!matches(*argv, "flowlabel")) {
__u32 uval;
NEXT_ARG();
if (get_u32(&uval, *argv, 0) ||
(uval & ~LABEL_MAX_MASK))
invarg("invalid flowlabel", *argv);
label = htonl(uval);
} else if (!matches(*argv, "dstport")) {
NEXT_ARG();
if (get_u16(&dstport, *argv, 0))
invarg("dstport", *argv);
} else if (!matches(*argv, "external")) {
metadata = true;
} else if (!matches(*argv, "noexternal")) {
metadata = false;
} else if (!matches(*argv, "udpcsum")) {
udpcsum = 1;
udpcsum_set = true;
} else if (!matches(*argv, "noudpcsum")) {
udpcsum = 0;
udpcsum_set = true;
} else if (!matches(*argv, "udp6zerocsumtx")) {
udp6zerocsumtx = 1;
udp6zerocsumtx_set = true;
} else if (!matches(*argv, "noudp6zerocsumtx")) {
udp6zerocsumtx = 0;
udp6zerocsumtx_set = true;
} else if (!matches(*argv, "udp6zerocsumrx")) {
udp6zerocsumrx = 1;
udp6zerocsumrx_set = true;
} else if (!matches(*argv, "noudp6zerocsumrx")) {
udp6zerocsumrx = 0;
udp6zerocsumrx_set = true;
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
} else {
fprintf(stderr, "geneve: unknown command \"%s\"?\n", *argv);
explain();
return -1;
}
argc--, argv++;
}
if (metadata && vni_set) {
fprintf(stderr, "geneve: both 'external' and vni cannot be specified\n");
return -1;
}
if (!metadata) {
/* parameter checking make sense only for full geneve tunnels */
if (!vni_set) {
fprintf(stderr, "geneve: missing virtual network identifier\n");
return -1;
}
if (!daddr && IN6_IS_ADDR_UNSPECIFIED(&daddr6)) {
fprintf(stderr, "geneve: remote link partner not specified\n");
return -1;
}
}
addattr32(n, 1024, IFLA_GENEVE_ID, vni);
if (daddr)
addattr_l(n, 1024, IFLA_GENEVE_REMOTE, &daddr, 4);
if (!IN6_IS_ADDR_UNSPECIFIED(&daddr6))
addattr_l(n, 1024, IFLA_GENEVE_REMOTE6, &daddr6, sizeof(struct in6_addr));
addattr32(n, 1024, IFLA_GENEVE_LABEL, label);
addattr8(n, 1024, IFLA_GENEVE_TTL, ttl);
addattr8(n, 1024, IFLA_GENEVE_TOS, tos);
if (dstport)
addattr16(n, 1024, IFLA_GENEVE_PORT, htons(dstport));
if (metadata)
addattr(n, 1024, IFLA_GENEVE_COLLECT_METADATA);
if (udpcsum_set)
addattr8(n, 1024, IFLA_GENEVE_UDP_CSUM, udpcsum);
if (udp6zerocsumtx_set)
addattr8(n, 1024, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, udp6zerocsumtx);
if (udp6zerocsumrx_set)
addattr8(n, 1024, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, udp6zerocsumrx);
return 0;
}
